Nitrogen (Kg∙N∙ha−1) | Fresh biomass at harvest | |||
Stem | Total (Stem + Leaves) | |||
2014 | 2015 | 2014 | 2015 | |
Mg∙ha−1 | ||||
0 | 40.4c† | 54.8c | 45.7c | 61.8c |
40 | 67.1b | 60.5bc | 73.3b | 67.0bc |
80 | 73.3ab | 70.0a | 79.7ab | 77.7a |
120 | 77.3a | 63.4ab | 84.7a | 71.6ab |
P-value | <0.0001 | 0.0054 | <0.0001 | 0.0045 |
Linear | <0.0001 | 0.0045 | <0.0001 | 0.0037 |
Quadratic | <0.0001 | 0.0399 | <0.0001 | 0.0850 |
Cubic | 0.0793 | 0.1555 | 0.0772 | 0.1454 |